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GASTROINTESTINAL SPECIALISTS LLC
NPI 1063516672
Internal Medicine - Gastroenterology in Richmond, VA

Active since September 12, 2006CLIA Certified · 5 labs
2369 STAPLES MILL RD, SUITE 200, RICHMOND, VA 23230(804) 285-4465 Get Directions Write a Review

NPPES record last updated: March 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 13, 2026, Jan 9, 2026, Dec 26, 2025 and 4 more (7 updates tracked since 2021).

About Gastrointestinal Specialists Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GASTROINTESTINAL SPECIALISTS LLC (NPI 1063516672) is a healthcare organization registered as a gastroenterology in Richmond, Virginia and active in the NPI registry since September 2006. The organization holds 5 active CLIA laboratory certificates, maintains 12 additional practice locations, and lists James J Weber, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1063516672
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROINTESTINAL SPECIALISTS LLC
Location Address2369 STAPLES MILL RD, SUITE 200Richmond, VA 23230-2918
Mailing Address2369 Staples Mill Rd Ste 200Richmond, VA 23230-2918 · (804) 285-4465
Phone(804) 285-4465
Organization SubpartNo
Authorized OfficialJames J WeberAuthorized Official · (214) 424-2200
Enumeration DateSeptember 12, 2006
Last NPPES UpdateMarch 13, 20267 updates tracked since enumeration
NPPES CertifiedMarch 13, 2026
✔ NPI 1063516672 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X
Also ListedUrologyTaxonomy 208800000X
Also ListedPhysical TherapistTaxonomy 225100000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
Also ListedNurse Anesthetist, Certified RegisteredTaxonomy 367500000X
2369 STAPLES MILL RD, Richmond, VA 23230
Open in Google Maps ↗

Secondary Practice Locations 12

Location 1251 National Harbor Blvd Ste 400AOxon Hill, MD 20745-1052 · Phone (703) 680-2111 · Fax (703) 878-3939
Location 28525 Rolling Rd Ste 220Manassas, VA 20110-3648 · Phone (703) 680-2111 · Fax (703) 878-3939
Location 33700 Joseph Siedwick Dr, Suite 300Fairfax, VA 22033 · Phone (703) 680-2111 · Fax (703) 878-3939
Location 41800 N Beauregard St Ste 300Alexandria, VA 22311-5879 · Phone (703) 680-2111 · Fax (703) 878-3939
Location 52296 Opitz Blvd Ste 350Woodbridge, VA 22191-3346 · Phone (703) 680-2111 · Fax (703) 878-3939
Location 61860 Town Center Dr Ste 150Reston, VA 20190-5905 · Phone (703) 480-0220
Location 724430 Stone Springs Blvd Ste 525Dulles, VA 20166-2267 · Phone (703) 957-1022
Location 8224D Cornwall St NW Ste 400Leesburg, VA 20176-2704 · Phone (703) 443-6733
Location 92755 Hartland Rd Ste 110Falls Church, VA 22043-3545 · Phone (703) 783-5353 · Fax (703) 878-3939
Location 1019415 Deerfield Ave Ste 112Leesburg, VA 20176-8470 · Phone (703) 724-1195
Location 111801 Robert Fulton Dr Ste 510Reston, VA 20191-5481 · Phone (703) 783-5355
Location 1219500 Sandridge Way Ste 300Leesburg, VA 20176-3690 · Phone (571) 577-8920

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastrointestinal Specialists Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

121

Medicare enrollment records show 121 clinicians reassign Medicare billing to Gastrointestinal Specialists LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 66 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Certified Registered Nurse Anesthetist (CRNA)46
Gastroenterology24
Urology24
Nurse Practitioner20
Interventional Radiology4
Diagnostic Radiology2
Physical Therapist in Private Practice1

Nearest to this location (20)

See all 121
Charlotte Campbell
Gastroenterology
NPI 1144752312
2369 STAPLES MILL RD STE 200
Richmond, VA 23230
(833) 833-7531
✔ PECOS✔ Accepts MedicareSame address
Ashley Foster, ACNP
Nurse Practitioner
NPI 1245548718
2369 STAPLES MILL RD SUITE 200
Richmond, VA 23230
(804) 285-8206
✔ PECOSSame address
Adrianna Nottingham, NP
Nurse Practitioner
NPI 1386332021
2369 STAPLES MILL RD
Richmond, VA 23230
(804) 285-8206
✔ PECOS✔ Accepts MedicareSame address
Laura Chubb, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1265977730
5801 BREMO RD
Richmond, VA 23226
(804) 285-2011
✔ PECOS✔ Accepts Medicare1.2 mi
Preston Harrington
Certified Registered Nurse Anesthetist (CRNA)
NPI 1245698083
5801 BREMO RD
Richmond, VA 23226
(804) 285-2011
✔ Accepts Medicare1.2 mi
Nicole Lucci, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1134668494
5801 BREMO RD
Richmond, VA 23226
(804) 709-8008
✔ Accepts Medicare1.2 mi
Nancy Stelling, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1962403899
5801 BREMO ROAD AMERICAN ANESTHESIOLOGY OF VIRGINIA, PC
Richmond, VA 23226
(973) 660-9334
1.2 mi
Lisa Ziegler, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1023070141
5801 BREMO RD
Richmond, VA 23226
(804) 285-2011
✔ Accepts Medicare1.2 mi
Samantha Haslego, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1376531178
5801 BREMO RD
Richmond, VA 23226
(804) 288-6258
✔ Accepts Medicare1.2 mi
Hamza Khalid, M.D.
Gastroenterology
NPI 1063667608
5855 BREMO RD STE 706
Richmond, VA 23226
(303) 776-1234
✔ PECOS✔ Accepts Medicare1.2 mi
Heather Schilling, FNP
Nurse Practitioner
NPI 1194262923
5855 BREMO RD STE 102
Richmond, VA 23226
(804) 673-2814
✔ PECOS✔ Accepts Medicare1.2 mi
Andy Thanjan, M.D.
Gastroenterology
NPI 1306083696
5855 BREMO RD STE 706
Richmond, VA 23226
(804) 285-8206
✔ PECOS✔ Accepts Medicare1.2 mi
Louis Gelrud, MD
Gastroenterology
NPI 1295721926
5855 BREMO RD SUITE 706
Richmond, VA 23226
(804) 285-8206
✔ PECOS1.2 mi
Kelley Osborne, CRNP
Nurse Practitioner
NPI 1699850032
5855 BREMO RD SUITE 706
Richmond, VA 23226
(804) 285-8206
✔ PECOS1.2 mi
Souheil Abou Assi, M.D.
Gastroenterology
NPI 1023004710
6602 W BROAD ST STE B
Richmond, VA 23230
(804) 285-8206
✔ PECOS✔ Accepts Medicare1.4 mi
Jayant Talreja, MD
Gastroenterology
NPI 1083821276
6602 W BROAD ST STE B
Richmond, VA 23230
(804) 289-1137
✔ PECOS✔ Accepts Medicare1.4 mi
Molly Mccracken, AGACNP-BC
Nurse Practitioner
NPI 1760835961
7605 FOREST AVE STE 303
Richmond, VA 23229
(804) 289-4941
✔ PECOS2.9 mi
Virginia Hamilton, F.N.P
Nurse Practitioner
NPI 1346613692
7611 FOREST AVE SUITE 410
Richmond, VA 23229
(804) 285-8206
✔ PECOS✔ Accepts Medicare2.9 mi
Stephanie Herndon, A.C.N.P.
Nurse Practitioner
NPI 1992797476
7611 FOREST AVE SUITE 410
Richmond, VA 23229
(804) 285-2965
✔ PECOS✔ Accepts Medicare2.9 mi
Ben Bradenham, M.D.
Gastroenterology
NPI 1326350570
7611 FOREST AVE STE 410
Richmond, VA 23229
(804) 285-8206
✔ PECOS✔ Accepts Medicare2.9 mi
See all 121 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 5

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 49D2016253

Gastrointestinal Specialist, Inc · Richmond, VA
Active · expires Nov 14, 2026
CLIA Number49D2016253
Laboratory TypePhysician Office
Certificate Effective DateNovember 15, 2024
Certificate Expiration DateNovember 14, 2026
Laboratory DirectorIrvin J. Seeman
Laboratory Phone(804) 289-1134
Laboratory LocationGastrointestinal Specialist, Inc2369 Staples Mill Road, Richmond, VA 23230
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 49D0222574

Gastrointestinal Specialist LLC Dba The Urology Group · Reston, VA
Active · expires Nov 30, 2026
CLIA Number49D0222574
Laboratory TypePhysician Office
Certificate Effective DateDecember 1, 2024
Certificate Expiration DateNovember 30, 2026
Laboratory DirectorKinnari R. Kennedy
Laboratory Phone(703) 480-0220
Laboratory LocationGastrointestinal Specialist LLC Dba The Urology Group1860 Town Center Drive - Suite 150, Reston, VA 20190
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 49D2233310

Gastrointestinal Specialists LLC Dba The Urology Group · Dulles, VA
Active · expires Aug 22, 2027
CLIA Number49D2233310
Laboratory TypePhysician Office
Certificate Effective DateAugust 23, 2025
Certificate Expiration DateAugust 22, 2027
Laboratory DirectorJennifer Young
Laboratory Phone(703) 724-1195
Laboratory LocationGastrointestinal Specialists LLC Dba The Urology Group24430 Stone Springs Blvd Suite 545, Dulles, VA 20166
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate of Waiver 49D2286060

Gastrointestinal Specialists Inc · Richmond, VA
Active · expires Jul 23, 2027
CLIA Number49D2286060
Laboratory TypePhysician Office
Certificate Effective DateJuly 24, 2025
Certificate Expiration DateJuly 23, 2027
Laboratory DirectorSouheil G. Abou-Assi
Laboratory Phone(804) 285-8206
Laboratory LocationGastrointestinal Specialists Inc6602 West Broad Street, Suite B, Richmond, VA 23230
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 49D1087021

Gastrointestinal Specialist LLC Dba Urology Group, The · Leesburg, VA
Active · expires Jul 23, 2028
CLIA Number49D1087021
Laboratory TypePhysician Office
Certificate Effective DateJuly 24, 2026
Certificate Expiration DateJuly 23, 2028
Laboratory DirectorKevin P. O'conner
Laboratory Phone(703) 443-6733
Laboratory LocationGastrointestinal Specialist LLC Dba Urology Group, The224 D Cornwall Street NW Suite 400, Leesburg, VA 20176
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gastrointestinal Specialists LLC's NPI number?

The NPI number for Gastrointestinal Specialists LLC is 1063516672. It was assigned to this organization in the NPPES registry on September 12, 2006.

Where is Gastrointestinal Specialists LLC located?

Gastrointestinal Specialists LLC is located at 2369 Staples Mill Rd Suite 200, Richmond, VA 23230. The listed phone number is (804) 285-4465.

What is Gastrointestinal Specialists LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Gastrointestinal Specialists LLC enrolled in Medicare?

Yes. Gastrointestinal Specialists LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastrointestinal Specialists LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 121 clinicians in 7 Medicare specialties reassign their Medicare billing to Gastrointestinal Specialists LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (46), Gastroenterology (24) and Urology (24). Of these, 3 practice at this address and 66 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastrointestinal Specialists LLC hold CLIA laboratory certificates?

Yes. 5 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Gastrointestinal Specialists LLC was last updated on March 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.